.form {
    display: none;
    padding: 20px 10px;
}
.form .form-num,
.form .form-name,
.form .form-sex,
.form .form-phone,
.form .form-address,
.form .form-major,
.form .form-dept {
    display: inline-block;
    margin-left: 8px;
    margin-bottom: 10px;
}
.form .form-addressed {
    padding-left: 8px;
    margin-bottom: 10px;
    color: #f00;
}
.form-num .num,
.form-name .name,
.form-phone .phone,
.form-address select,
.form-major .major,
.form-dept .department {
    height: 25px;
    padding-left: 5px;
}

.form .form-sex {
    width: 214px;
}
.form-sex label {
    padding-right: 10px;
    vertical-align: middle;
}

.form-submit .submit,
.form-submit .reset {
    width: 100px;
    margin-left: 8px;
}